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The following commit(s) were added to refs/heads/trunk by this push:
     new 041e7a7  HDFS-14598. Findbugs warning caused by HDFS-12487. 
Contributed by He Xiaoqiao.
041e7a7 is described below

commit 041e7a7dee4a17714f31952dc6364c77a65b1b73
Author: Anu Engineer <aengin...@apache.org>
AuthorDate: Mon Jun 24 15:34:11 2019 -0700

    HDFS-14598. Findbugs warning caused by HDFS-12487.
    Contributed by He Xiaoqiao.
---
 .../hadoop/hdfs/server/datanode/DiskBalancer.java  | 25 ++++++++--------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DiskBalancer.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DiskBalancer.java
index f8d4ea4..9183344 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DiskBalancer.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DiskBalancer.java
@@ -908,24 +908,17 @@ public class DiskBalancer {
           if(null == block){
             LOG.info("NextBlock call returned null.No valid block to copy. {}",
                     item.toJson());
-            return block;
+            return null;
           }
-
-          if (block != null) {
-            // A valid block is a finalized block, we iterate until we get
-            // finalized blocks
-            if (!this.dataset.isValidBlock(block)) {
-              continue;
-            }
-
-            // We don't look for the best, we just do first fit
-            if (isLessThanNeeded(block.getNumBytes(), item)) {
-              return block;
-            }
-          } else {
-            LOG.info("There are no blocks in the blockPool {}", 
iter.getBlockPoolId());
+          // A valid block is a finalized block, we iterate until we get
+          // finalized blocks
+          if (!this.dataset.isValidBlock(block)) {
+            continue;
+          }
+          // We don't look for the best, we just do first fit
+          if (isLessThanNeeded(block.getNumBytes(), item)) {
+            return block;
           }
-
         } catch (IOException e) {
           item.incErrorCount();
         }


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